# cpython-withatomic / Lib / nturl2path.py

  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 """Convert a NT pathname to a file URL and vice versa.""" def url2pathname(url): """OS-specific conversion from a relative URL of the 'file' scheme to a file system path; not recommended for general use.""" # e.g. # ///C|/foo/bar/spam.foo # becomes # C:\foo\bar\spam.foo import string, urllib # Windows itself uses ":" even in URLs. url = url.replace(':', '|') if not '|' in url: # No drive specifier, just convert slashes if url[:4] == '////': # path is something like ////host/path/on/remote/host # convert this to \\host\path\on\remote\host # (notice halving of slashes at the start of the path) url = url[2:] components = url.split('/') # make sure not to convert quoted slashes :-) return urllib.unquote('\\'.join(components)) comp = url.split('|') if len(comp) != 2 or comp[0][-1] not in string.ascii_letters: error = 'Bad URL: ' + url raise IOError, error drive = comp[0][-1].upper() components = comp[1].split('/') path = drive + ':' for comp in components: if comp: path = path + '\\' + urllib.unquote(comp) return path def pathname2url(p): """OS-specific conversion from a file system path to a relative URL of the 'file' scheme; not recommended for general use.""" # e.g. # C:\foo\bar\spam.foo # becomes # ///C|/foo/bar/spam.foo import urllib if not ':' in p: # No drive specifier, just convert slashes and quote the name if p[:2] == '\\\\': # path is something like \\host\path\on\remote\host # convert this to ////host/path/on/remote/host # (notice doubling of slashes at the start of the path) p = '\\\\' + p components = p.split('\\') return urllib.quote('/'.join(components)) comp = p.split(':') if len(comp) != 2 or len(comp[0]) > 1: error = 'Bad path: ' + p raise IOError, error drive = urllib.quote(comp[0].upper()) components = comp[1].split('\\') path = '///' + drive + '|' for comp in components: if comp: path = path + '/' + urllib.quote(comp) return path